Why do you urinate a lot at night?

More frequent urination at night is usually urinary frequency, which may be caused by physiological factors, polyuria frequency, inflammatory frequency, neurogenic frequency, reduced bladder capacity frequency, periurethral lesions and other reasons. 1. Physiological factors: for example, more drinks or water in the afternoon, mental stress, cold environment, can lead to increased urination, mostly normal phenomenon. Reduce the intake of liquid, improve the environment, adjust the mood, usually can improve the situation of frequent urination. 2. Pathologic factors: (1) polyuria frequency: increased urination, and each time the volume of urine is not less, and the total volume of urine increased. See diabetes mellitus, uremia, etc. (2) Inflammatory urinary frequency: frequent urination and small amount of urine each time, mostly accompanied by urinary urgency, urinary pain, such as cystitis, urethritis, prostatitis, etc.. (3) Neurogenic urinary frequency: frequent urination and small amount of urine each time, mostly seen in central and peripheral neuropathy, such as hysteria, neurogenic bladder. (4) Reduced bladder capacity urinary frequency: such as bladder occupation, bladder tuberculosis, etc., manifested as persistent urinary frequency. (5) Periurethral lesions: urethral polyps, parurethral cysts, etc. irritate the urethral opening causing frequent urination. Frequent urination at night, it is recommended to go to the hospital urology department for examination and treatment.